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Cotunnite

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Domenico Cotugno
Formula:
PbCl2
System:
Orthorhombic
Colour:
Colourless, white, light ...
Hardness:
1½ - 2
Name:
After Domenico Cotugno (1736-1822), Professor of Anatomy, University of Naples.
This page provides mineralogical data about Cotunnite.

Classification of Cotunnite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
3.DC.85

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
9.2.7.1

9 : NORMAL HALIDES
2 : AX2
8.8.4

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
8 : Halides of Pb
mindat.org URL:
http://www.mindat.org/min-1141.html
Please feel free to link to this page.

Type Occurrence of Cotunnite

Year of Discovery:
1825

Occurrences of Cotunnite

Geological Setting:
Alteration product of galena under arid, saline conditions.

Physical Properties of Cotunnite

Adamantine, Silky, Pearly
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Colourless, white, light yellow, light green
Hardness (Mohs):
1½ - 2
Tenacity:
Sectile
Cleavage:
Perfect
On {010}.
Fracture:
Sub-Conchoidal
Density:
5.8 g/cm3 (Measured)    5.81 g/cm3 (Calculated)

Crystallography of Cotunnite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 7.6222(5) Å, b = 9.0448(7) Å, c = 4.5348(4) Å
Ratio:
a:b:c = 0.843 : 1 : 0.501
Unit Cell Volume:
V 312.63 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Usually flattened {010} and elongated [001]. Doubly terminated with equivalent faces unequally developed. Reentrant angles may be present in the prism zone due to oscillatory combination of {210} and {110}. Massive, granular.
Twinning:
On {120} (artificial crystals).
Comment:
Space group Pnam (non-standard setting)

Epitaxial Relationships of Cotunnite

Epitaxial Minerals:
X-Ray Powder Diffraction Data:
d-spacingIntensity
4.057 (35)
3.890 (75)
3.810 (40)
3.579 (100)
2.776 (55)
2.510 (45)
2.096 (40)

Optical Data of Cotunnite

Type:
Biaxial (+)
RI values:
nα = 2.199 nβ = 2.217 nγ = 2.260
2V:
Measured: 67° , Calculated: 68°
Max Birefringence:
δ = 0.061
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
relatively strong

Chemical Properties of Cotunnite

Formula:
PbCl2
Essential elements:
All elements listed in formula:

Relationship of Cotunnite to other Species

3.DC.05LaurionitePbCl(OH)
3.DC.05ParalaurionitePbCl(OH)
3.DC.10FiedleritePb3FCl4(OH) · H2O
3.DC.15PenfielditePb2Cl3(OH)
3.DC.20LaurelitePb7F12Cl2
3.DC.25Bismoclite(BiO)Cl
3.DC.25Daubréeite(BiO)(OH,Cl)
3.DC.25MatlockitePbFCl
3.DC.25RorisiteCaFCl
3.DC.25Zavaritskite(BiO)F
3.DC.25ZhangpeishaniteBaFCl
3.DC.30NadoritePbSbClO2
3.DC.30PeritePbBiClO2
3.DC.35AravaipaitePb3AlF9 · H2O
3.DC.37CalcioaravaipaitePbCa2AlF9
3.DC.40ThorikositePb3Cl2(OH)(SbO3,AsO3)
3.DC.45MereheaditePb47Cl25(OH)13O24(CO3)(BO3)2
3.DC.50BlixitePb2(O,OH)2Cl
3.DC.55PinalitePb3WO5Cl2
3.DC.60SymesitePb10(SO4)O7Cl4 · H2O
3.DC.65EcdemitePb6Cl4(As2O7)
3.DC.65HeliophyllitePb6Cl4(As2O7)
3.DC.70MendipitePb3Cl2O2
3.DC.75DamaraitePb3Cl(OH)O2
3.DC.80OnoratoiteSb8Cl2O11
3.DC.90PseudocotunniteK2PbCl4
3.DC.95BarstowitePb4Cl6(CO3) · H2O
8.8.1AbhuriteSn21Cl16(OH)14O6
8.8.2MatlockitePbFCl
8.8.3LaurelitePb7F12Cl2
8.8.5MendipitePb3Cl2O2
8.8.6DamaraitePb3Cl(OH)O2
8.8.7LaurionitePbCl(OH)
8.8.8ParalaurionitePbCl(OH)
8.8.9PenfielditePb2Cl3(OH)
8.8.10FiedleritePb3FCl4(OH) · H2O
8.8.11BlixitePb2(O,OH)2Cl
8.8.12PseudocotunniteK2PbCl4
8.8.13DiaboleitePb2CuCl2(OH)4
8.8.14PseudoboleitePb31Cu24Cl62(OH)48
8.8.15ChloroxiphitePb3CuO2Cl2(OH)2
8.8.17BideauxitePb2AgCl3(F,OH)2
8.8.18BoleiteKPb26Ag9Cu24(OH)48Cl62
8.8.19AravaipaitePb3AlF9 · H2O
8.8.20YedlinitePb6Cr3+Cl6(O,OH,H2O)8
8.8.21KolaritePbTeCl2
8.8.22HematophanitePb4Fe3O8(OH,Cl)

Other Names for Cotunnite

Name in Other Languages:
Italian:Cotunnia
Simplified Chinese:氯铅矿
Spanish:Cotunnita
Traditional Chinese:氯鉛礦

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Cotunnite

Reference List:
Monticelli and Covelli (1825).

Kobell, Fr. Von (1830) Charakteristik der Mineralien. Part 1 (1830); part 2 (1831), Nürnberg: 2: 179.

Stöber (1895) Académie royale des sciences de Belgique, Brussels, Bull.: 30(3): 345.

Lacroix, A. (1910) Minéralogie de la France et des ses colonies, Paris. 5 volumes: vol. 4: 890.

Hintze, Carl (1912) Handbuch der Mineralogie. Berlin and Leipzig. 6 volumes: 1 [2B]: 2350.

Goldschmidt, V. (1913) Atlas der Krystallformen. 9 volumes, atlas, and text: vol. 2: 193.

Lorenz and Eitel (1915) Zeitschrift für anorganische und allgemeine Chemie, Hamburg, Leipzig: 91: 48.

Russell (1920) Mineralogical Magazine: 14: 64.

Bräkken and Harang (1928) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 68: 123.

Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 42-44.

Mineralogial Abstracts (1969): 69: 1075.

Soviet Physics – Crystallography (1976): 21: 38.

Internet Links for Cotunnite

Specimens:
The following Cotunnite specimens are currently listed for sale on minfind.com.

Localities for Cotunnite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Austria
 
  • Carinthia
    • Friesach - Hüttenberg area
      • Hüttenberg
        • Waitschach
Kolitsch, U., Brandstätter, F., Schreiber, F., Fink, R. & Auer, C. (2013): Die Mineralogie der weltweit einzigartigen Schlacken von Waitschach, Kärnten. Annalen des Naturhistorischen Museums in Wien, Serie A, 115, 19-87 (in German).
    • Hohe Tauern
      • Goldberg group
        • Kleine Fleiß valley
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
Canada
 
  • Ontario
    • Sudbury District
      • Levack Township
Dare, S. A., Barnes, S. J., Prichard, H. M., & Fisher, P. C. (2014). Mineralogy and Geochemistry of Cu-Rich Ores from the McCreedy East Ni-Cu-PGE Deposit (Sudbury, Canada): Implications for the Behavior of Platinum Group and Chalcophile Elements at the End of Crystallization of a Sulfide Liquid. Economic Geology, 109(2), 343-366.
    • Thunder Bay District
Liferovich & Mitchell pers. comm. L. Horváth 2005: L. Horváth 2009
      • Seeley Lake Area
EcoMetrix Reort for Stillwater Canada Inc, Marathon Project (2012) Table 4.1-3
Chile
 
  • Antofagasta Region
    • Antofagasta Province
      • Sierra Gorda District
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 44.
Samples analysed by Dr. Jochen Schluter, Curator of Hamburg Mineralogical Museum, Germany
  • Tarapacá Region
    • El Tamarugal Province
      • Challacollo
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 44; J. Schlüter at al.: N. Jb. Min. Abh. 182(1):95-101 (2005)
France
 
  • Alsace
    • Haut-Rhin
      • Ste Marie-aux-Mines (Markirch)
Wittern, Journée: "Mineralien finden in den Vogesen", 1997
  • Languedoc-Roussillon
    • Lozère
      • Mende
        • St Etienne-du-Valdonnez
D. Gol (2009), Le Règne Minéral n°90
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
U. Kolitsch, J. Gröbner, F. Brandstätter and R. Bayerl (2010): Neufunde aus der Grube Clara im mittleren Schwarzwald (IV): Calcioandyrobertsit, Cotunnit, Gerhardtit, Khaidarkanit, Lukrahnit, Mckinstryit, Moolooit, Rhabdophan-(La), Rouait und Uricit. Lapis 35 (9), 22-27; 62 (in German).
  • Bavaria
    • Lower Bavaria
      • Röhrnbach
Habel, M. (2009): Der Granodioritbruch der Fa. Josef Uhrmann OHG, Steinerleinbach bei Röhrnbach. Mineralien-Welt 20 (2), 66-86.
  • Hesse
    • Richelsdorf District
      • Süss
        • Richelsdorf Smelter
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • North Rhine-Westphalia
    • Ruhr Coal Mining area
      • Essen
Weiss: "Mineralfundstellen, Deutschland West", 1990
      • Marl
        • Marl-Hüls
Weiss: "Mineralfundstellen, Deutschland West", 1990
  • Saxony-Anhalt
    • Mansfeld Basin
      • Helbra
XRD analysis (T. Witzke)
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
No reference listed
Schnorrer-Köhler, G., Standfuss, K. & Standfuss, L. (1981): Neufunde von Mineralen aus den antiken Bleischlacken Laurions. Der Aufschluss, 32, 165-169.
        • Passa Limani area
No reference listed
        • Sounion area
Laurion The minerals in the ancient slags,page 74,in genaral all discribed minerals can occur at all the slag places mentioned in this book written by Piet gelaude Piet vsn Kalmthout and Christia Rewitzer
India
 
  • Karnataka
    • Kolar District
      • Kolar Gold Fields
        • Central Schist Belt
Genkin A D, Safonov Y G, Vasudev V N, Rao B K, Boronikhin V A, Vyalsov L N, Gorshkov A I, Mokhov A V (1985) Kolarite PbTeCl2 and radhakrishnaite PbTe3(Cl,S)2, new mineral species from the Kolar Gold Deposit, India, The Canadian Mineralogist, 23, 501-506
Israel
 
  • Negev
    • Makhtesh Ramon area (Ramon crater area)
Itamar, A. (1993): Hydrothermal alteration of quartz syenite in Shen Ramon, Israel: mineralogy, petrography and economic evaluation. Proc. Quadrenn. IAGOD Symp., 8th, 823-834.
Italy (TL)
 
  • Campania
    • Naples Province
      • Somma-Vesuvius Complex
Soviet Physics, Crystallography, volume 21, pp. 38(1976); Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 43; Lapis 1994:5 p.13-23,58.
  • Sicily
    • Messina Province
      • Eolie Islands (Aeolian Islands)
        • Lipari
          • Vulcano Island
Campostrini I. et al - Vulcano: ein aussergewohnlicher Fundpunkt von neuen und seltenen Mineralien - MineralienWelt 2010 - nr.3 - p.40-57
  • Tuscany
    • Grosseto Province
      • Massa Marittima
Lattanzi P. Tanelli G.,1978: Considerazioni genetiche sulla cotunnite del giacimento a pirite di Niccioleta (Toscana). 'Rend.Soc.Ital.Mineral.Petrol. 34 (1) Milano pp. 37-44 Brizzi G., Capperi M., Masotti A. - La miniera di pirite di Niccioleta, Massa Marittima (GR) - Rivista Mineralogica Italiana, Milano, Fasc. 4 (1989) e Fasc. 1 - 2(1990)
    • Livorno Province
      • Campiglia Marittima
http://www.comune.pisa.it/apsn/Articoli/Scorie/Capattoli.htm
      • Piombino
Cerutti, G. and Preite, D. (1995): Mineralien der etruskischen Schlacken von Baratti, Toskana. Lapis, 20 (4), 13-18; 50 (in German).
New Zealand
 
  • North Island
    • Waikato
Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
Norway
 
  • Vest-Agder
    • Flekkefjord
      • Hidra (Hitterø)
Griffin W. L., Nilsen, B. & Jensen, B, B (1977): Mineralogiske undersøkelser av tinntallerkener fra Hidra-vraket. Norsk Sjøfartsmuseums Årsberetning 1976, 111-114
Peru
 
  • Ancash Department
    • Pallasca Province
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 44.
Romania
 
  • Hunedoara Co.
    • Deva
www.minerals-of-the-carpathians,2009
Russia
 
  • Far-Eastern Region
    • Kamchatka Oblast'
      • Tolbachik volcano
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
          • Northern Breakthrough (North Breach)
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Mandarino, J. A. (2003). New minerals. The Canadian Mineralogist, 41(3), 803-828.
          • Southern Breakthrough (South Breach)
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
Cesnokov, B., Kotrly, M. and Nisanbajev, T. (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
Spain
 
  • Asturias
José Rafael González López collection.
Tunisia
 
  • Mahdia Governorate
    • Mahdia
Kutzke, H., Barbier, B., Becker, P. & Eggert, G. (1997): Barstowite as a corrosion product on a lead object from the Mahdia shipwreck. Studies in Conservation 42, 176-180.
U.S. Virgin Islands
 
Alminas, Henry V.; Foord, Eugene E.; Tucker, Robert E. (1994) Geochemistry, mineralogy, and geochronology of the U.S. Virgin Islands USGS Bulletin 2057 36p
UK
 
  • England
    • Cornwall
      • St Agnes District
        • Crantock
BMS Newsletter 79, March 2010 (http://britishmicromountsociety.homestead.com/Gannell-Smelter.html)
      • Wendron & Falmouth District
        • Falmouth
          • Falmouth Harbour
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
    • Devon
      • South Devon
        • Torquay
No reference listed
    • Somerset
      • Cranmore
Turner, R.W. and Rumsey, M.S. (2010): Mineral Relationships in the Mendip Hills. Journal of the Russell Society, vol 13, pp 3-46; Turner R.W. and Rumsey, M.S. (2007) Merehead Mineralogy - an Update. Russell Soc Newsletter, No 50, pp 17-18 (March 2007); Turner, R.W., (2006) A Mechanism for the formation of the Mineralised Mn Deposits at Merehead Quarry, Cranmore, Somerset, England. Min. Mag. vol. 70, no. 6, pp 629 - 653
  • Scotland
    • Dumfries & Galloway
      • Wanlockhead
        • Wanlock Dod-Whytes Cleuch
  • Wales
    • Gwynedd
      • Lleyn Peninsula
        • Llanengan
          • Abersoch
Hubbard, N. & Green, D.I., 2005. Cotunnite from Penrhyn Du Mine, Gwynedd, Wales. Journal of the Russell Society, 8(2), 106-107.
USA
 
  • Arizona
    • Mohave Co.
      • Grand Wash Cliffs
        • Bentley District
          • Grand Gulch
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 190; Hill, J.M. (1914b), The Grand Gulch Mining Region, Mohave Co., AZ, USGS Bull.580: 39-58; Galbraith, F.W. & Brennan (1959), Mineras of AZ: 44.
  • California
    • San Bernardino Co.
      • Baker
        • Otto Mountain
Collected by Bob Housley. SEM EDS analzyed.
  • Massachusetts
    • Hampshire Co.
      • Easthampton
Shepard, C. U. (1866). Cotunnite at Southampton lead mine (American Journal of Science, 2nd series 47:247-48).
  • Utah
    • Juab Co.
      • East Tintic Mts
UGMS Bull 117 Minerals and Mineral Localities of Utah
Mineral and/or Locality  
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